一般情况下，一个函数结束的时候，加一个return在代码上比较美观。可以更清楚的知道代码在哪里结束。 #4
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虽然不加也可以，但是建议加上。这样可以更清楚的知道代码在哪里结束。如果您用过try...except...else...finily结构的话，会明白的
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虽然不加也可以，但是建议加上。这样可以更清楚的知道代码在哪里结束。如果您用过try...except...else...finily结构的话，会明白的